Home / 660,049,977,287.80-990,074,965,931.70-446,658,771,946.60

Finding the Fourth Proportional to 660,049,977,287.80, 990,074,965,931.70 and 446,658,771,946.60

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Solution

The fourth proportional to 660,049,977,287.80, 990,074,965,931.70 and 446,658,771,946.60 is: 669,988,157,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,049,977,287.80 : 990,074,965,931.70 = 446,658,771,946.60 : x
  2. Step 2: Convert to fraction form
    660,049,977,287.80/990,074,965,931.70 = 446,658,771,946.60/x
  3. Step 3: Cross multiply
    660,049,977,287.80x = 990,074,965,931.70 × 446,658,771,946.60
  4. Step 4: Simplify right side
    660,049,977,287.80x = 442,225,668,418,124,912,787,456
  5. Step 5: Solve for x
    x = 442,225,668,418,124,912,787,456/660,049,977,287.80
  6. Step 6: Final answer
    x = 669,988,157,919.90

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.